title: Incidental transesophageal echocardiographic findings of a mass on the aortic valve.
mesh_terms: D001021:Aortic Valve / Q000000981:diagnostic imaging*; D017548:Echocardiography, Transesophageal; D005350:Fibroma / Q000000981:diagnostic imaging*; D006338:Heart Neoplasms / Q000000981:diagnostic imaging*; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D016343:Monitoring, Intraoperative / Q000379:methods